Cadac CDC seven, Руководство пользователя по оборудованию

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Revision 1 2017 CDC seven
Only RG6 video cable suitable for 3G HD-SDI (High Definition Serial Digital
Interface) should be used for the Cadac MegaCOMMS connections. The cables
should be terminated in BNC connectors of the appropriate type, and no cable
run should exceed 150 m (surface-to-stagebox or stagebox-to-stagebox). An
example of a suitable cable is Kramer bulk Type BC-1X.
Word Clock In
The CDC seven caters for digital audio I/O in the form of eight AES3 inputs and
eight AES3 outputs, accessible on the rear of the control surface. The AES3
outputs have Sample Rate converters (SRCs) and can operate at any frequency
required by applying an external clock source to the WORD CLOCK IN connector.
The external clock must be selected on the AES3 Configuration Page on the
Control Screen (see Software Manual).
Word Clock Out
The CDC seven’s internal wordclock is fixed at 96 kHz, and a clock signal is
always available at the rear of the console at the WORD CLOCK OUT connector.
Remote stagebox – audio connections
The stageboxes provide the (non-local) audio inputs and outputs for the system,
and are intended to be located remotely from the control surface, typically stage-
side. Audio equipment to be used at the FOH position can be connected to the
control surface’s Local I/O (when fitted) on the rear panel.
The CDC I/O 6448 stagebox has a total of 64 inputs and 48 outputs, while the CDC
I/O 3216 stagebox has 32 inputs and 16 outputs. The CDC seven can support
one or two stageboxes of any type via direct connection; in these circumstances
the maximum remote I/O connectivity the system can provide is 128 inputs and
96 outputs, using two CDC I/O 6448 stageboxes. These totals are increased
further by the local I/O in the control surface (see “Surface and Local I/O – audio
connections” on page 32).
It should be noted that higher I/O counts are possible by using more than two
stageboxes; this can be achieved with a Cadac CDC MC Router.